<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card class="box-card">
            <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
            <div id="main" style="width: 800px;height:400px;"></div>
        </el-card>
    </div>
</template>

<script>
import echarts from "echarts";
import _ from "lodash";

export default {
    data() {
        return {
          options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
        };
    },
    created() {},
    async mounted() {
        // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById("main"));

        const { data: res } = await this.$http.get("/reports/type/1");
        if (res.meta.status !== 200) return this.$message.error("获取失败");

        // 指定图表的配置项和数据
        // var option = {
        //     title: {
        //         text: 'ECharts 入门示例'
        //     },
        //     tooltip: {},
        //     legend: {
        //         data:['销量']
        //     },
        //     xAxis: {
        //         data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
        //     },
        //     yAxis: {},
        //     series: [{
        //         name: '销量',
        //         type: 'bar',
        //         data: [5, 20, 36, 10, 10, 20]
        //     }]
        // };

        const result = _.merge(res.data, this.options);

        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(result);
    },
    methods: {}
};
</script>

<style lang="less" scpoed>
</style>